APA (7th ed.) Citation

Pough, R. H. (1949). Audubon bird guide; small land birds of eastern & central North America: From southern Texas to central Greenland. Doubleday.

Chicago Style (17th ed.) Citation

Pough, Richard H. Audubon Bird Guide; Small Land Birds of Eastern & Central North America: From Southern Texas to Central Greenland. Garden City, N. Y.: Doubleday, 1949.

MLA (9th ed.) Citation

Pough, Richard H. Audubon Bird Guide; Small Land Birds of Eastern & Central North America: From Southern Texas to Central Greenland. Doubleday, 1949.